Red Tide Chek, the first hand-held device that can detect red tide in the field

ST. PETERSBURG, FL - John Paul, PhD, USF distinguished professor, is lead inventor of Red Tide Chek, the first hand-held device that can detect red tide in the field. Red tide is one of Florida’s greatest environmental, ecological and economic threats. These harmful algal blooms can cause human health problems and hamper the economy in lost tourism dollars and damaged fisheries.